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Document and Entity Information - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Apr. 02, 2018
Jun. 30, 2017
Document And Entity Information      
Entity Registrant Name PIONEER POWER SOLUTIONS, INC.    
Entity Central Index Key 0001449792    
Document Type 10-K    
Trading Symbol PPSI    
Document Period End Date Dec. 31, 2017    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity a Well-known Seasoned Issuer No    
Entity a Voluntary Filer No    
Entity's Reporting Status Current Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 26,400
Entity Common Stock, Shares Outstanding   8,726,045  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2017